[hhh] Apply patch to flutter engine to fix hhh buildbot build step.

Change-Id: I13cceb1a784092f8c66d151eb8afeac0162a9c7a
Reviewed-on: https://dart-review.googlesource.com/c/80900
Commit-Queue: Alexander Aprelev <aam@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>

tools/patches/flutter-engine/b99bcfd3099f0d32e39287160a9539e878cb0b68.patch

@@ -0,0 +1,54 @@
+diff --git a/runtime/BUILD.gn b/runtime/BUILD.gn
+index bf4b8e6fb8..1fa0d73af6 100644
+--- a/runtime/BUILD.gn
++++ b/runtime/BUILD.gn
+@@ -6,41 +6,6 @@ import("//third_party/dart/runtime/bin/vmservice/vmservice_sources.gni")
+ import("$flutter_root/common/config.gni")
+ import("$flutter_root/testing/testing.gni")
+ 
+-action("gen_embedded_resources_cc") {
+-  script = "//third_party/dart/runtime/tools/create_resources.py"
+-  output_file = "$target_gen_dir/embedded_resources.cc"
+-  outputs = [
+-    output_file,
+-  ]
+-
+-  inputs = rebase_path(vmservice_sources,
+-                       "",
+-                       "//third_party/dart/runtime/bin/vmservice")
+-
+-  args = [
+-           "--output",
+-           rebase_path(output_file),
+-           "--outer_namespace",
+-           "flutter",
+-           "--inner_namespace",
+-           "runtime",
+-           "--table_name",
+-           "flutter_embedded_service_isolate",
+-           "--root_prefix",
+-           rebase_path("//third_party/dart/runtime/bin/"),
+-         ] + rebase_path(inputs)
+-}
+-
+-source_set("embedded_resources_cc") {
+-  sources = [
+-    "$target_gen_dir/embedded_resources.cc",
+-  ]
+-  deps = [
+-    ":gen_embedded_resources_cc",
+-  ]
+-  public_configs = [ "$flutter_root:config" ]
+-}
+-
+ source_set("test_font") {
+   sources = [
+     "test_font_data.cc",
+@@ -84,7 +49,6 @@ source_set("runtime") {
+   ]
+ 
+   deps = [
+-    ":embedded_resources_cc",
+     ":test_font",
+     "$flutter_root/assets",
+     "$flutter_root/common",